I don't use JDB either, however I guess you cannot declare a maximum length for the literal string in char column. you might have to reshape rank-1 vector before inserting. eg.
ht=: Create__db 'tblChar2';'c1 char' Insert__db 'tblChar2';'a' Insert__db 'tblChar2';,'b' Insert__db 'tblChar2';,.'c' Insert__db 'tblChar2';,.'def' Insert__db 'tblChar2';,:'ghij' Insert__db 'tblChar2';3 4$'1234567' Insert__db 'tblChar2';3 5$'1234567' Reads__db 'from tblChar2' +-----+ |c1 | +-----+ |a | |b | |c | |d | |e | |f | |ghij | |1234 | |5671 | |2345 | |12345| |67123| |45671| +-----+ -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm